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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/12863

Title: Achieving high efficiency and stability in inverted organic solar cells fabricated by laminated gold leaf as top electrodes
Authors: Razali, Nur Tahirah
Osaka, Itaru
Takimiya, Kazuo
Vohra, Varun
Murata, Hideyuki
Keywords: Inverted Organic Solar Cells
gold leaf
Issue Date: 2014-11-07
Publisher: IOP Publishing
Magazine name: Applied Physics Express
Volume: 7
Number: 11
Start page: 111602-1
End page: 111602-4
DOI: 10.7567/APEX.7.111602
Abstract: We investigated inverted bulk heterojunction solar cells fabricated with gold (Au) leaf as laminated top electrodes. We demonstrate that the Au leaf can be successfully transferred from a supporting polyethylene terephthalate (PET) substrate to the surface of poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) due to sufficiently higher work of adhesion with PEDOT:PSS compared to PET. By optimizing the lamination conditions, the contact between the Au leaf and the PEDOT:PSS becomes homogeneous and the power conversion efficiency (PCE) improves. Using Naphtho[1,2-c:5,6-c']bis[1,2,5]thiadiazole based polymer as the p-type semiconductor, the PCE reaches 5.07%. The laminated devices exhibit excellent stability comparable to that of the evaporated devices.
Rights: This is the author's version of the work. It is posted here by permission of The Japan Society of Applied Physics. Copyright (C) 2014 The Japan Society of Applied Physics. Nur Tahirah Razali, Itaru Osaka, Kazuo Takimiya, Varun Vohra, and Hideyuki Murata, Applied Physics Express, 7(11), 2014, 111602. http://dx.doi.org/10.7567/APEX.7.111602
URI: http://hdl.handle.net/10119/12863
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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